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Just picked up a new to me 2000 Z3 Roadster

Nice car....drove it over 700 miles to get it home and noticed after washing it that water leaked into the passenger compartment floor area. I traced it to coming in from the rear of the convertible top. I haven't dug into it yet but as it was recently replaced, I suspect something amiss where it connects to the chassis.

I have the automatic transmission. With the top up and hence very little wind noise, I found the rear differential to be a whine a bit more than I'm comfortable with. Is this normal or should I suspect something starting to go? I have a Toyota pickup that has the same issue but despite that it's still going strong at 220,000 miles.

Welome!

This is a great forum for almost anything you'll need for your car. A few searches and/or a post will fix almost anything.

Scott (posted below) is president of the ZSCCA (Z Series Car Club of America). It's a great group that goes on drives, fix-its, etc., all around the country. ZFest - the annual gathering - is next weekend in LA (Los Angeles, not Louisiana). He's put on a great event and if you're able, it would be worth attending. There is also a small gathering over Labor Day at the BMW plant in SC (search the boards below for that info) if you can't get to the west coast.

It looks like you're in NH. This is great time of year for drives up in the northeast. Keep an eye out on the ZSCCA site for info about them, and maybe even organize one if you can. The DC chapter usually has a good one through Shenandoah around October-ish if I remember right.

Re: Welome!

You will enjoy this car immensely. I have a red one, same year, with 120K on it and just returned from a 52 day, 9844 mile trip around the western two thirds of America. The car handled great with out a single incident. Mostly US routes with some interstates. check out my travel blog at www.hickoryclazzic.blogspot.com.

This chat bhoard is a great resource with generally good adevice and some great advice. Any problems you have with your car, more then likely, someone else had the same ones and can describe their resolutions to them.

Be careful if you ask about modifications, cause most of us have made some and are happy with them.

Now for the leak....

The water could be from several locations, window seal alignment, rear window,(not likely with a new top...but...) or the seal at the top to top well. I included a link to instructions on how to change a top so you can look over the details. Welcome!

That's extremely helpful. Thanks.

I know the leak is coming from the back of the top around where it joins the chassis. I'm getting drips into the trunk and have followed the wet line from "somewhere" in that area down to the passenger seat where the majority of the water settles.